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Stripping-functions

Vl-final-strip

Signature
(vl-final-strip x) → new-x
Arguments: x — Guard (vl-final-p x).
Returns: new-x — Type (vl-final-p new-x).

Definitions and Theorems

Function: vl-final-strip

(defun vl-final-strip (x)
  (declare (xargs :guard (vl-final-p x)))
  (let ((__function__ 'vl-final-strip))
    (declare (ignorable __function__))
    (b* (((vl-final x) (vl-final-fix x)))
      (b* ((stmt (vl-stmt-strip x.stmt))
           (atts ((lambda (x) (declare (ignore x)) nil)
                  x.atts))
           (loc ((lambda (x)
                   (declare (ignore x))
                   *vl-fakeloc*)
                 x.loc)))
        (change-vl-final x
                         :stmt stmt
                         :atts atts
                         :loc loc)))))

Theorem: vl-final-p-of-vl-final-strip

(defthm vl-final-p-of-vl-final-strip
  (b* ((new-x (vl-final-strip x)))
    (vl-final-p new-x))
  :rule-classes :rewrite)

Theorem: vl-final-strip-of-vl-final-fix-x

(defthm vl-final-strip-of-vl-final-fix-x
  (equal (vl-final-strip (vl-final-fix x))
         (vl-final-strip x)))

Theorem: vl-final-strip-vl-final-equiv-congruence-on-x

(defthm vl-final-strip-vl-final-equiv-congruence-on-x
  (implies (vl-final-equiv x x-equiv)
           (equal (vl-final-strip x)
                  (vl-final-strip x-equiv)))
  :rule-classes :congruence)